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Rolling steel service door at a commercial facility

Commercial access and security

Rolling Steel Service Doors

A compact, durable door system built around the way your opening works.

Rolling steel service doors coil above the opening, preserve valuable floor and wall space, and provide dependable security for warehouses, service facilities, counters, storefronts, and mixed-use commercial buildings.

Preliminary planning information. Exact sizes, clearances, gauges, thermal values, finishes, and operators require an approved manufacturer/model and verified field dimensions. Revision: Draft 2026-07-24.

Where it fits

A door category designed around the opening.

BPT reviews how people, vehicles, inventory, weather, security, and the building structure come together before narrowing the product line.

  • 01Warehouses and distribution facilities
  • 02Auto service and maintenance bays
  • 03Storefronts and secure counters
  • 04Storage, utility, and equipment rooms
  • 05Exterior openings where swing space is limited

Standard planning basis

What the assembly starts with

  • Interlocking metal curtain selected for the opening and duty cycle
  • Structural steel guides and head plates coordinated with the mounting condition
  • Counterbalance barrel assembly sized for the curtain weight
  • Bottom bar with an astragal or sensing edge when specified
  • Protective hood available where the coil requires coverage
  • Manual push-up, chain-hoist, or motor-operated configurations

Available options

Where the project becomes specific

  • Slat profile and metal gauge selections
  • Wind-load reinforcement where required by the project
  • Vision panels, perforated slats, or ventilated curtain configurations
  • Weather seals at guides, hood, and bottom bar
  • Electric operator, controls, safety devices, and access-control preparation
  • Powder-coated, painted, galvanized, or stainless finishes where available

Materials and operation

Specify the whole system, not just the curtain.

Material, finish, insulation, operator, controls, and seals must work with the selected opening, traffic pattern, exposure, and maintenance plan.

Curtain

Galvanized steel is the common planning basis; stainless steel and other approved curtain materials depend on the selected assembly.

Guides and brackets

Formed or structural steel components selected for the opening size, exposure, mounting surface, and operating method.

Finishes

Factory finish, powder coat, painted finish, galvanized steel, and selected stainless options are confirmed by product line.

This category is normally specified as non-insulated.

Where thermal performance or air control is a priority, review the insulated rolling steel door category instead of assuming a single-skin curtain will meet the project goal.

01

Manual push-up

Appropriate for smaller, lighter openings where the selected assembly can be operated safely by hand.

02

Chain hoist

Provides mechanical advantage for larger curtains without requiring an electric operator.

03

Motorized

Supports frequent operation and can be coordinated with controls, safety devices, access systems, and available power.

Planning dimensions

Clearance is part of the product.

Do not reserve only the clear opening. The coil, brackets, guides, operator, hood, service access, and nearby building systems all require coordination.

Typical width rangeCounter openings through large commercial openings, within the limits of the selected manufacturer and model.

Final clear-opening width must be field verified before fabrication or ordering.

Typical height rangeService-counter heights through full-height vehicle and equipment openings, subject to model limits.

Curtain height affects coil diameter, barrel selection, hood size, and operator requirements.

Required headroomProject-specific.

Confirm coil diameter, hood, brackets, structure, utilities, and operator clearance for the selected assembly.

Required sideroomProject-specific on both sides, with additional space commonly required at the drive side.

Confirm guide depth, bracket plates, motor or chain-hoist location, and service access.

Backroom / projectionLimited primarily by the coil, hood, guides, and operator projection.

Coordinate with beams, sprinklers, conduit, lights, ductwork, and other overhead conflicts.

Generic rolling-door baseline

Early drafting ranges, not final product dimensions.

Use these ranges only to reserve preliminary space. The selected manufacturer, model, opening size, wind or fire requirements, operator, and field conditions control the final dimensions.

Component featureMetric rangeImperial range
Sideroom clearance100-200 mm4-8 in
Headroom clearance400-600 mm16-24 in
Slat depth profile15-22 mm0.6-0.85 in
Guide channel depth50-75 mm2-3 in

Opening coordination

See how the assembly fits the opening.

Typical assemblyTypical commercial opening

These simplified CAD views show the usual assembly without project dimensions. Final opening size, mounting, operator placement, and clearances are confirmed during quoting and field verification.

01

Establish structural clearances

Record the rough opening, headroom, sideroom, mounting surfaces, overhead conflicts, and drive-side service space before selecting an assembly.

02

Draft the vertical section

Show the wall and lintel, barrel and brackets, hood, curtain path, guide, bottom bar, floor line, seals, and operator projection.

03

Draft the interior elevation

Show opening limits, both guides and fasteners, bracket-to-bracket hood width, curtain slats, bottom bar, and drive-side operator.

04

Detail the guide section

Show the jamb material, wall angle, guide channel, anchors, curtain edge, operating gaps, and windlocks when the approved design requires them.

Component anatomy

What customers, contractors, and architects should recognize.

01

Curtain

Interlocking slats form the moving barrier and are selected by material, profile, gauge, exposure, security needs, and opening size.

02

Guides

Vertical assemblies retain the curtain edges and transfer operational and wind forces into the supporting construction.

03

Barrel

The steel pipe and counterbalance assembly supports the curtain and helps control its travel.

04

Brackets

Head plates support the barrel, counterbalance components, and operator at each side of the opening.

05

Hood

A formed metal enclosure protects the coiled curtain and helps create a finished appearance where specified.

06

Bottom bar

The reinforced lower edge stabilizes the curtain and can carry seals, locks, or a monitored sensing edge.

07

Operator

Push-up, chain-hoist, or electric operation is selected around curtain size, cycle needs, controls, safety, and available power.

Field context

Real openings. Different constraints.

These BPT field images show the kinds of conditions that influence the final recommendation. Confirmed insulated-product photography will replace planning-context images after asset approval.

Architect and contractor resources

Take the planning guide with you.

Review applications, decisions, component anatomy, coordination notes, and diagrammatic elevations before requesting a project-specific quote.

BPT product category planning brief

Category-level planning information only. Exact dimensions, gauges, finishes, wind ratings, components, and operators depend on the selected manufacturer/model and verified field conditions.

Jovany technical approval pending
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